• Refills compatible with Legami erasable pens, perfectly fitting these models • Includes 14 dark blue refill leads • 0.7 mm tip diameter and 13 cm height per refill • Each refill allows for an approximate writing length of 170 meters • Easy-to-erase replacement leads, practical for school and daily use, preventing messy erasing • High-quality tip ensures a quiet and smooth writing experience, without scratching the paper • Heat-sensitive ink: starting from a temperature of approximately 60 °C, the ink becomes transparent